(function(){
	
	//4.1购买商品
	var user_a = require("./3.用户注册与登录").user_a;
	var bus_a = require("./3.用户注册与登录").bus_a;
	//查找商品
	var goods = bus_a.findOneGoodsByName("小包包");
	//下订单
	var ach = user_a.makeAch(bus_a,goods._id);
	//支付订单
	user_a.payAch(ach._id);

	module.exports = {
		bus_a:bus_a,
		user_a:user_a
	};
}());
